Hewlett-Packard Co. said Tuesday that it finished its $13.9 billion acquisition of technology services company Electronic Data Systems Corp.

Fears that emerging market demand for Dell Inc. and Hewlett-Packard Co. technology products will slow and that the U.S. dollar will strengthen in the remainder of the year may overshadow earnings in line with or above Wall Street targets.

Oil dominated the news again during the week, though crude prices fell back for a change. Economic data also moved the markets, which finished up for the week.

Stocks declined Tuesday as investors expressed their disappointment in Wal-Mart's outlook, HP's deal and a slew of other news. Surprising resilience in retail sales, excluding autos, helped curb losses. The Nasdaq eked out a gain, led by Yahoo.

Stocks declined Tuesday as investors juggled a mixed bag of news: Retail sales outside of the hard-hit auto sector showed suprising resilience, while a well-known analyst cut her outlook for big banks. Wal-Mart skidded after the discount giant posted decent results but issued a tepid outlook.

Hewlett-Packard has struck a deal to buy Electronic Data Systems for $12.6 billion, seeking to boost its technology services business to better compete against market leader IBM.

Stocks declined Tuesday as investors juggled a mixed bag of news: Retail sales outside of the hard-hit auto sector showed suprising resilience, while a well-known analyst cut her outlook for big banks. Wal-Mart skidded after the discount giant posted decent results but issued a tepid outlook.